## How can I find my ugly number?

## How can I find my ugly number?

Method 1 (Simple) Loop for all positive integers till the ugly number count is smaller than n, if an integer is ugly than increment ugly number count. To check if a number is ugly, divide the number by greatest divisible powers of 2, 3 and 5, if the number becomes 1 then it is an ugly number otherwise not.

### Why is 14 not an ugly number?

Ugly numbers are numbers whose only prime factors are 2, 3 or 5. Explanation: 14 is not ugly since it includes another prime factor 7.

**What is the ugly number?**

Ugly number is defined as the number whose prime factors are only 2,3 and 5. 4. First eleven ugly numbers are – 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15. Expected Time Complexity – O(n) Expected Space Complexity – O(n).

**Is 18 an ugly number?**

A number is said to be an ugly number if it has only 2,3, and 5 as its prime factors. In other words, If a number can be obtained by multiplying powers for 2, 3, or 5, the number is said to be an ugly number. For instance, 18 can be obtained as 21x 32. Hence, it is an ugly number.

## Is 3 an ugly number?

Suppose we have to write a program to find the n-th ugly number. The Ugly numbers are positive integers which are divisible by a or b or c. So for example, if n = 3 and a = 2, b = 3 and c = 5, then the output will be 4, as the ugly numbers are [2,3,4,5,6,8,9,10], the third one is 4.

### What is ugliness of a string?

The ugliness of a string is defined as the count of two consecutive ones i.e. “11” in the given string. For example, the ugliness of string “10111” is 2.

**How is 8 an ugly number?**

Ugly numbers are those number whose prime factors are 2, 3 or 5. From 1 to 15, there are 11 ugly numbers 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15. The numbers 7, 11, 13 are not ugly because they are prime. The number 14 is not ugly because in its prime factor the 7 will come.

**Is 27 ugly number?**

27 is not an Ugly number because its prime factors contain 7.

## Is 8 an ugly number?

Ugly numbers are those number whose prime factors are 2, 3 or 5. From 1 to 15, there are 11 ugly numbers 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15.

### Is 235 an ugly number?

Input an integer number: 235 It is not an ugly number.

**What is Krishnamurthy number in Java?**

Krishnamurthy number is another special number in Java. A number is said to be Krishnamurthy if the factorial sum of all its digits is equal to that number. Krishnamurthy number is also referred to as a Strong number.

**Is 22 a Boston number?**

The first few such numbers are 4,22 ,27 ,58 ,85 ,94 and 121 . For example, 378 = 2 × 3 × 3 × 3 × 7 is a Boston number since 3 + 7 + 8 = 2 + 3 + 3 + 3 + 7.